Intro Although marketed for the maker’s M-mount Zeiss Ikon rangefinder, the range of ZM lenses is rightly popular with Leica M users. All are accessibly priced compared with their Leica equivalents, and optical performance is often on a par, if not sometimes regarded as being technically superior. With the Zeiss Ikon camera now retired, this new high-speed 35mm model is aimed squarely at Leica’s core users.  Compared to the latest iteration from Wetzlar, the Zeiss 35mm F1.4 ZM Distagon is priced somewhat modestly at around £1680 inc VAT. It’s supplied without a case or hood, but there’s no mistaking the quality. Build Externally, the design is reminiscent of previous models,…